Seudónimo
Seudónimo
19-12-2016
Mathematics
contestada
whats 5a+4=25-2a? help..
Respuesta :
SuperLegend
SuperLegend
19-12-2016
5a+4=25-2a
Add 2a to both sides
7a+4=25
Subtract 4 from both sides
7a=21
Divide 7 on both sides
Final Answer: a= 3
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